View of frame houses or barns and Denver & Rio Grande Western Railroad tracks in a field at the site of Oro City, a mining camp absorbed by Leadville in Lake County, Colorado. Shows utility poles and possibly tailings piles.

Accession number: 92.194.1; Attribution label on verso.; History Colorado.; Date inked on verso.; Descriptive information and title on verso reads: "View of the site of 'Old Oro' in 1860 on California Gulch near the foot of Harrison Avenue looking west. Course of track [?] is from left to right."; Handwritten on envelope: "C-'Old Oro'"; R7200046634